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Why do I need Transaction in Hibernate for read-only operations?
...actions as read-only.
Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, it's just it will be working in autocommit=true if different option wasn't set explicitly.
But there is no guarantee ...
When should I use double instead of decimal?
...ing to offer at least as great precision (someone correct me if I'm wrong) and definitely greater speed for arbitrary real numbers. The simple conclusion is: when considering which to use, always use double unless you need the base 10 accuracy that decimal offers.
Edit:
Regarding your additional q...
Mercurial: how to amend the last commit?
... to update the last commit with the current working directory
From the command line reference:
The --amend flag can be used to amend the parent of the working directory with a new commit that contains the changes in the parent in addition to those currently reported by hg status, if there are any. ...
Some projects cannot be imported because they already exist in the workspace error in Eclipse
I am trying to import a project that me and my co-worker have been working on.. and keep getting this error after I select-- "import" then "import existing project" then click archive file, and then I click next, and this error comes up:
...
Ubuntu, vim, and the solarized color palette
...folder, I've set my terminal profile colors to what is listed on the site, and I've added the lines
8 Answers
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Wrapping a C library in Python: C, Cython or ctypes?
...Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
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Select text on input focus
...t jquery, change element.click to element.bind('click', function() { ... } and element.select() to element[0].select()
– jack
Aug 15 '13 at 7:02
3
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Find files and tar them (with spaces)
...ne except if the files have spaces in them. This is how I'm finding files and adding them to a tar archive:
9 Answers
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How to get the nth occurrence in a string?
...n unbounded length input, it needlessly creates an unbounded length array, and then throws most of it away. It would be faster and more efficient just to iteratively use the fromIndex argument to String.indexOf
– Alnitak
Jan 23 '13 at 13:31
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How to get index of object by its property in JavaScript?
...e array is probably the best way. But I would put it in it's own function, and make it a little more abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
...